ALTA/LITTLE COTTONWOOD CANYON HRRR-DERIVED FORECAST GUIDANCE *************************************************************** * THIS IS AN EXPERIMENTAL, AUTOMATED, AND UNOFFICIAL FORECAST * *************************************************************** CREATED/MAINTAINED BY THE STEENBURGH GROUP DEPARTMENT OF ATMOSPHERIC SCIENCES UNIVERSITY OF UTAH Contact: jim.steenburgh@utah.edu WETBULBZERO, 1H QPF, ACCUM QPF DIRECTLY FROM HRRR COLLINS SNOW RATIO/H2O, MT BALDY T/RH, MT BALDY WIND, 1H SNOW, and ACCUM SNOW based on machine learning including UU RF SLR algorithm Based on 12Z 26-Mar-2025 intialized HRRR FORECAST HOURS 0-48 FHR VALID MOUNTAIN TIME COLLINS T MT BALDY T/RH MT BALDY WIND WETBULBZERO SLR/H2O 1H QPF / 1H SNOW / ACCUM QPF / ACCUM SNOW 0 06 AM Wed Mar 26 2025 35F 34F / 35% SSW 16 G 26 MPH 9800 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 1 07 AM Wed Mar 26 2025 36F 35F / 34% SSW 15 G 25 MPH 9700 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 2 08 AM Wed Mar 26 2025 36F 34F / 35% SSW 15 G 24 MPH 9700 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 3 09 AM Wed Mar 26 2025 35F 34F / 35% SSW 14 G 24 MPH 9800 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 4 10 AM Wed Mar 26 2025 36F 35F / 39% SSW 14 G 25 MPH 9900 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 5 11 AM Wed Mar 26 2025 40F 36F / 43% SSW 14 G 25 MPH 9900 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 6 12 PM Wed Mar 26 2025 43F 36F / 43% SSW 13 G 26 MPH 10000 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 7 01 PM Wed Mar 26 2025 45F 37F / 43% SSW 14 G 25 MPH 10000 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 8 02 PM Wed Mar 26 2025 46F 38F / 43% SSW 12 G 26 MPH 10200 FT 5:1 / 20% 0.00" / 0.0" 0.00" / 0.0" 9 03 PM Wed Mar 26 2025 47F 38F / 36% SW 13 G 26 MPH 10300 FT 3:1 / 33% 0.00" / 0.0" 0.00" / 0.0" 10 04 PM Wed Mar 26 2025 46F 38F / 40% SW 14 G 26 MPH 10300 FT 4:1 / 25% 0.00" / 0.0" 0.00" / 0.0" 11 05 PM Wed Mar 26 2025 45F 38F / 41% SW 13 G 25 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 12 06 PM Wed Mar 26 2025 42F 37F / 38% SW 13 G 24 MPH 9900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 13 07 PM Wed Mar 26 2025 40F 37F / 35% SW 12 G 19 MPH 9600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 14 08 PM Wed Mar 26 2025 39F 36F / 44% WSW 12 G 18 MPH 9600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 15 09 PM Wed Mar 26 2025 37F 35F / 38% SW 15 G 22 MPH 9700 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 16 10 PM Wed Mar 26 2025 37F 35F / 27% SW 16 G 26 MPH 10100 FT 6:1 / 17% 0.00" / 0.0" 0.00" / 0.0" 17 11 PM Wed Mar 26 2025 37F 36F / 24% SSW 15 G 23 MPH 10200 FT 5:1 / 20% 0.00" / 0.0" 0.00" / 0.0" 18 12 AM Thu Mar 27 2025 37F 36F / 28% SSW 16 G 27 MPH 10300 FT 4:1 / 25% 0.00" / 0.0" 0.00" / 0.0" 19 01 AM Thu Mar 27 2025 36F 35F / 31% S 16 G 27 MPH 10000 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 20 02 AM Thu Mar 27 2025 36F 34F / 37% SSW 19 G 32 MPH 9900 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 21 03 AM Thu Mar 27 2025 35F 34F / 36% SSW 19 G 35 MPH 9600 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 22 04 AM Thu Mar 27 2025 35F 33F / 37% SSW 20 G 35 MPH 9500 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 23 05 AM Thu Mar 27 2025 34F 33F / 28% SW 23 G 39 MPH 9400 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 24 06 AM Thu Mar 27 2025 34F 33F / 30% SW 22 G 37 MPH 9400 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 25 07 AM Thu Mar 27 2025 34F 33F / 32% SW 21 G 35 MPH 9300 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 26 08 AM Thu Mar 27 2025 34F 32F / 36% SW 22 G 36 MPH 9300 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 27 09 AM Thu Mar 27 2025 34F 32F / 36% SW 19 G 34 MPH 9400 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 28 10 AM Thu Mar 27 2025 37F 33F / 37% SSW 18 G 34 MPH 9200 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 29 11 AM Thu Mar 27 2025 39F 33F / 37% SSW 17 G 36 MPH 9200 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 30 12 PM Thu Mar 27 2025 42F 34F / 38% SSW 17 G 37 MPH 9100 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 31 01 PM Thu Mar 27 2025 44F 34F / 41% SSW 18 G 38 MPH 9300 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 32 02 PM Thu Mar 27 2025 46F 36F / 38% S 17 G 40 MPH 9400 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 33 03 PM Thu Mar 27 2025 46F 36F / 37% S 17 G 40 MPH 9400 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 34 04 PM Thu Mar 27 2025 45F 36F / 38% SSW 19 G 41 MPH 9500 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 35 05 PM Thu Mar 27 2025 44F 35F / 38% SSW 19 G 41 MPH 9500 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 36 06 PM Thu Mar 27 2025 39F 35F / 39% SSW 21 G 44 MPH 9500 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 37 07 PM Thu Mar 27 2025 37F 34F / 45% SSW 22 G 42 MPH 9400 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 38 08 PM Thu Mar 27 2025 37F 34F / 44% SSW 21 G 43 MPH 9400 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 39 09 PM Thu Mar 27 2025 37F 33F / 41% SSW 23 G 44 MPH 9400 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 40 10 PM Thu Mar 27 2025 35F 33F / 43% SSW 24 G 44 MPH 9500 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 41 11 PM Thu Mar 27 2025 35F 31F / 49% SSW 23 G 46 MPH 9500 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 42 12 AM Fri Mar 28 2025 34F 31F / 51% SSW 24 G 47 MPH 9000 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 43 01 AM Fri Mar 28 2025 32F 29F / 49% SW 24 G 44 MPH 9000 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 44 02 AM Fri Mar 28 2025 32F 28F / 57% SW 21 G 37 MPH 9100 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 45 03 AM Fri Mar 28 2025 30F 27F / 63% SSW 22 G 42 MPH 9000 FT 6:1 / 17% 0.00" / 0.0" 0.00" / 0.0" 46 04 AM Fri Mar 28 2025 29F 24F / 89% WSW 14 G 26 MPH 8600 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 47 05 AM Fri Mar 28 2025 30F 25F / 88% WSW 13 G 21 MPH 8300 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 48 06 AM Fri Mar 28 2025 28F 24F / 84% WSW 11 G 20 MPH 7900 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0"